項目

ITERMS

規(guī)格

SPECIFICATION

總磷含量                      %

Total phosphorus content

≥21

鈣含量                        %

Calcium content

≥15

氟含量                        %

Fluorine content

≤0.18

水分                          %

Moisture

≤2.0

砷含量                      ppm

Arsenic content

≤30

鉛含量                      ppm

Lead content

≤30

鎘含量                      ppm

Cadmium content

≤10

顆粒大小0.25-2.0mm            %

Granule size 0.25-2 mm

≥90

外觀                   

Appearance             

白色微粒

White micro granule